প্রশ্ন ও উত্তর
Average weight of 8 persons is 120 lb. One person leaves the group and a new person comes in and the new average is 122 lb. If the weight of the outgoing person is 110 lb, then what is the weight of the incoming person?
গণিত Statistics and Average 07 Oct, 2020
প্রশ্ন Average weight of 8 persons is 120 lb. One person leaves the group and a new person comes in and the new average is 122 lb. If the weight of the outgoing person is 110 lb, then what is the weight of the incoming person?
সঠিক উত্তর
126
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